延长 Traditional form: 延長 Pinyin (reading): Yáncháng Definitions: Yanchang county in Yan'an 延安 ( Yán'ān), Shaanxi Characters: 延 - to defer, to delay, to postpone; to extend, to prolong; surname 长 - long, lasting; to excel in Traditional characters: 延 - to defer, to delay, to postpone; to extend, to prolong; surname 長 - long, lasting; to excel in